MONTHLY OPERATIONS REPORT February 2016 Town of Discovery Bay, CA 2373 Days of Safe Operations 107,602 worked hours since last recordable incident

SafetyHours West Monthly Regional Safety Webinar Weekly Safety Topics Lockout/Tagout 4.0 Operations None TRAINING: Safety, Operations, & Equipment

 Monthly Discharge Monitoring Report (DMR)  Monthly electronic State Monitoring Report (eSMR)  Monthly Coliform Report, California Department of Public Health (CDPH) REPORTS SUBMITTED TO REGULATORY AGENCIES

# of Active Wells Water Produced (MG) Chemical (Hypo) Delivered Fire Hydrant Flushing WATER SERVICES Note: Well 5 is off line, Replaced by Well # Water Production Table (MG) by Month JanuaryFebruaryMarchAprilMayJune 4039 JulyAugustSeptemberOctoberNovemberDecember Bacteriological Test Results: Routine Bacteria Samples Collected No. Total Coliform Positives No. Fecal/E. coli Positives Brown Water Calls

WATER SERVICES

Water Reduction

Water Reduction at Wastewater Plant  Reused #3 Water:  2.0 MG – January  2.2 MG- February

WW Effluent Parameter Permit Limits January Lab Data Febuary Lab Data Flow, MG Effluent, monthly total Flow, MG Daily Influent Flow, avg. N/A Flow, MG Daily Discharge Flow, avg Effluent BOD 5, lbs/d, monthly avg Effluent TSS, lbs/d, monthly avg Effluent BOD 5, mg/L, monthly avg Effluent TSS, mg/L, monthly avg Total Coli form 7 day Median Max Total Coli form Daily Maximum % Removal BOD 5, monthly avg. 85% min % Removal, TSS, monthly avg. 85% min Electrical Conductivity, umhos/cm annual avg WASTEWATER SERVICE Wastewater Laboratory Analysis

 National Pollution Discharge Elimination System (NPDES) WASTEWATER SERVICE NPDES Related Excursions Permit Parameter NPDES Parameter Limit Actual Parameter Result 0N/A Bacteriological Test Results: Routine Bacteria Samples Collected No. Total Coliform Positives No. Fecal/E. coli Positives 7-Day Median Excursion # of Active Lift Stations # of Inactive Lift Stations SSO Wastewater Received (MG)

 Flushing resumed 21,315 ft.  CCTV 34,086 ft.  Inspected 77 manhole & covers.  Performed weekly lift station inspections. WASTEWATER SERVICE COLLECTION:

 Preventive and Corrective GENERAL TRACKING INFO Total # of WO’s CompletedTotal Hours Work Order Back-Log Aging DaysAging > 30 Days 28 7 Call & Emergency Responses Call OutsEmergencies 1 0 Personnel Hours & Overtime: Regular HoursOvertime

 WWTPWASTEWATER TREATMENT PLANT   WTPWATER TREAMENT PLANT   WLWILLOW LAKE   NPNEWPORT   VFDVARIABLE FREQUENCY DRIVE   WOWORK ORDER   PLCPROGRAMMABLE LOGIC CONTROLLER   L/SLIFT STATION  SSO SANITARY SEWER OVERFLOW   BODBIOLOGICAL OXYGEN DEMAND   TSSTOTAL SUSPENDED SOLIDS   MGDMILLION GALLONS PER DAY   mg/lMILLIGRAMS PER LITRE   CCTVCLOSED CIRCUIT TELEVISION   PPMPARTS PER MILLION   RASRETURN ACTIVATED SLUDGE   WASWATSE ACTIVATED SLUDGE   UV ULTRAVIOLET LIGHT TERMS

PLANT 2